898
FZUS51 KBOX 291104
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT SAT AUG 29 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-300000-
703 AM EDT SAT AUG 29 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES MOVES PAST THE WATERS THIS WEEKEND. A BACKDOOR COLD FRONT
MAY APPROACH THE ERN MA WATERS MON MORNING, THEN SHOULD LINGER
ACROSS SOME OF THE WATERS INTO MID WEEK.
ANZ250-300000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT
4 SECONDS AND SE 3 FT AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT
7 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
5 SECONDS.
MON NIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-300000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND
E 2 FT AT 8 SECONDS.
TONIGHT
S WINDS AROUND 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SUN
SW WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 2 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
SE 1 FOOT AT 4 SECONDS.
MON
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 4 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 3 SECONDS AND W 1 FOOT AT 3 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-300000-
CAPE COD BAY-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND E 1 FOOT AT 10 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS.
SUN
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT
9 SECONDS.
MON
NW WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS, BECOMING N 1 FOOT
AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON NIGHT
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
WED
SE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-300000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT THIS AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT
5 SECONDS.
SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 2 FT AT
5 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND
E 1 FOOT AT 5 SECONDS.
MON NIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-300000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND N 2 FT AT 4 SECONDS.
TONIGHT
S WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 2 FT AT
7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
4 SECONDS AND E 2 FT AT 7 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
NE 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT AND WED
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS AROUND 3 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-300000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT
4 SECONDS AND SE 3 FT AT 7 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-300000-
NANTUCKET SOUND-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 6 SECONDS AND S 1 FOOT AT
7 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT
3 SECONDS AND E 1 FOOT AT 7 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS
AND SW 1 FOOT AT 5 SECONDS, BECOMING NE 1 FOOT AT 2 SECONDS AND
SW 1 FOOT AT 4 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-300000-
VINEYARD SOUND-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS
AND N 1 FOOT AT 4 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS
AND SW 1 FOOT AT 5 SECONDS, BECOMING E 1 FOOT AT 2 SECONDS AND SW
1 FOOT AT 4 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-300000-
BUZZARDS BAY-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 2 SECONDS
AND NW 1 FOOT AT 5 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: W
2 FT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS, BECOMING NE 1 FOOT
AT 2 SECONDS AND SW 1 FOOT AT 5 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: E 1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 5 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-300000-
RHODE ISLAND SOUND-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND N 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-300000-
BLOCK ISLAND SOUND-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
NE 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 6 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND NE 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. SHOWERS
LIKELY.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-300000-
BOSTON HARBOR-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING E THIS AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SUN
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
MON
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
WED AND WED NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-300000-
NARRAGANSETT BAY-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING SW THIS AFTERNOON. WAVES
AROUND 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE
OF SHOWERS.
MON AND MON NIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS
LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-300000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT THIS AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING W AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
MON NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS AND SW
1 FOOT AT 4 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-300000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT THIS AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 7 SECONDS AND NE 3 FT AT 6 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND S 2 FT AT
7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON NIGHT
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-300000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND N 3 FT AT 6 SECONDS.
TONIGHT
NE WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 2 FT AT
7 SECONDS.
SUN
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 5 SECONDS AND SW 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE NIGHT AND WED
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A
CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-300000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT SAT AUG 29 2026
TODAY
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT THIS AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT
4 SECONDS AND SE 3 FT AT 7 SECONDS.
TONIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND E 2 FT AT 7 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND N
1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A
CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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